Swift UITextFieldShouldReturn Return Key Tap

Question

(iOS8, Xcode6, Swift) Using Swift, how do I capture a tap on the \"Return\" button?

The doc at the following link specifies using the textFieldShouldReturn

Answer 1

class ViewController: UIViewController,UITextFieldDelegate //set delegate to class

@IBOutlet var txtValue: UITextField //create a textfile variable

override func viewDidLoad() {
   super.viewDidLoad() 
   txtValue.delegate = self //set delegate to textfile 
}

func textFieldShouldReturn(_ textField: UITextField) -> Bool {   //delegate method
   textField.resignFirstResponder()
   return true
}